Finding the Fourth Proportional to 226,330.08, 312,334.26 and 122,963.40
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Solution
The fourth proportional to 226,330.08, 312,334.26 and 122,963.40 is: 169,688.81
Step by Step Solution
- Step 1: Write the proportion equation
226,330.08 : 312,334.26 = 122,963.40 : x - Step 2: Convert to fraction form
226,330.08/312,334.26 = 122,963.40/x - Step 3: Cross multiply
226,330.08x = 312,334.26 × 122,963.40 - Step 4: Simplify right side
226,330.08x = 38,405,682,546.08 - Step 5: Solve for x
x = 38,405,682,546.08/226,330.08 - Step 6: Final answer
x = 169,688.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.